Page 769 - Clinical Application of Mechanical Ventilation

Index 735

Troubleshooting ventilator function non-pressure-compensated, 604
circuit leaks, 358–359, 358f, 359f portable, 604–607
lack of ventilator response, 357 setting changes, 375t
Tubular secretion, 37 settings
Two-chamber drainage system, 467, 467f dual control mode, 220–221
F I O 2 , 224–225
U flow, 566
flow pattern, 227–229
Uncounted breathing efforts, 356–357 frequency, 221, 566
Undernutrition, 405, 406t HFOV, 564, 564t, 566
UniVent Eagle 754, 595, 606t I:E ratio, 225–227
Unplanned extubation, 181 improper, 388
Upper inflection point, 363
initial, 220–229, 235t, 564, 566
V mode, 220
neonatal, 556–558
Vagally mediated bradycardia, 445 PEEP, 225
Vagus nerve, 183 power, 566
Valium, 442t pressure support, 223–224
Vallecula, 158 tidal volume, 222–223
VAP. See Ventilator-associated pneumonia (VAP) transport, 479, 482
Vascular resistance troubleshooting, 357–359
pulmonary, 293, 698 Ventilator circuit
systemic, 292, 293, 699 care of, 394–397
VCV. See Volume-controlled ventilation (VCV) compression factor, 554
V D /V T ratio, 525–526, 692–693 heated wire circuits, 554–555
Vecuronium bromide, 434t, 437t and neonatal ventilation, 553–555
Venoarterial route, 570, 570f Ventilator tidal volume, 378
Venodilation, 448 Ventilator waveform analysis. See Waveform analysis
Venous return, 284 Ventilator-associated pneumonia (VAP), 399–400,
decreased, 89–90, 233 497–501
Venovenous route, 570 clinical presentations, 498
Ventilation common microbes, 498t
drugs for improving, 422–430 incidence of, 497–498
effects of compliance on, 10 prevention of, 499–501, 500t
and intubation, 162–163 treatment of, 501
minute, 377, 522 Ventilatory criteria, for weaning, 520–522, 520t
and oxygen, 381 Ventilatory failure, 5, 12
and oxygenation, 381–382 acute, 214–215
setting changes and, 375t and central nervous system, 44
strategies to improve, 376–379, 376t development of, 13t
Ventilation modes, 66–70 diffusion defect, 15–16, 16t
Ventilation/perfusion (V/Q) mismatch, 257 hypoventilation, 12–13
Ventilator impending, 214, 215–217
alarm, 75–76 intrapulmonary shunting, 14–15, 14f
troubleshooting, 389–394 V/Q (ventilation/perfusion) mismatch, 13–14
alarm settings, 229–230 Ventilatory muscle dysfunction, 585–586
classification, 50–76 Ventilatory pump, failure of, 19–20, 21t
control circuit, 56–57 Ventilatory status, assessment of, 255
control variables, 57–59 Ventilatory work, 52–53
drive mechanism, 53–55 Ventilatory workload, excessive, 18–19, 20t
frequency, 376–377 Ventricular injection time (VET), 297
and hyperbaric oxygenation, 597–598, 598t Versed, 442t
input power, 53 Visualization devices, for intubation, 161–162

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